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The solubility of KI is 50 g / 100 g of water at 20 °C. If 110 g of Kl are added to 200 g water A. All of the KI will dissolve B. The solution will freeze O C. the container of the solution will feel warm to the touch D. a saturated solution will form E. an unsaturated solution will form

The solubility of KI is 50 g / 100 g of water at 20 °C. If 110 g of Kl are added to 200 g water A. All of the KI will dissolve B. The solution will freeze O C. the container of the solution will feel warm to the touch D. a saturated solution will form E. an unsaturated solution will form

Biochemistry
Biochemistry
9th Edition
ISBN:9781319114671
Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Chapter1: Biochemistry: An Evolving Science
Section: Chapter Questions
Problem 1P
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**Question:** The solubility of KI (potassium iodide) is 50 g per 100 g of water at 20°C. If 110 g of KI are added to 200 g of water, which of the following will occur? - A. All of the KI will dissolve - B. The solution will freeze - C. The container of the solution will feel warm to the touch - D. A saturated solution will form - E. An unsaturated solution will form **Explanation:** In this scenario, the solubility of KI indicates that at 20°C, you can dissolve 50 g of KI in 100 g of water, which means you can dissolve 100 g of KI in 200 g of water. Since 110 g of KI are added to 200 g of water, this amount exceeds the solubility limit. Therefore, not all of the KI will dissolve, and the solution will become saturated with some undissolved KI at the bottom.
Transcribed Image Text:**Question:** The solubility of KI (potassium iodide) is 50 g per 100 g of water at 20°C. If 110 g of KI are added to 200 g of water, which of the following will occur? - A. All of the KI will dissolve - B. The solution will freeze - C. The container of the solution will feel warm to the touch - D. A saturated solution will form - E. An unsaturated solution will form **Explanation:** In this scenario, the solubility of KI indicates that at 20°C, you can dissolve 50 g of KI in 100 g of water, which means you can dissolve 100 g of KI in 200 g of water. Since 110 g of KI are added to 200 g of water, this amount exceeds the solubility limit. Therefore, not all of the KI will dissolve, and the solution will become saturated with some undissolved KI at the bottom.
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